Question about Mitsubishi WS-55807 TV

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Mitsubishi WS-55807 Horizontal line in screen, no sound

Mitsubishi WS-55807. I had the problem with powering off after 2-3 seconds of turning it on. I cleaned off the signal board with acetone and did the diagnostic and received code 1-2, no problem found. The bulbs are coming on, but all I get is about a 1/2" thick stripe horizontally in the middle of the screen with tones of red, blue and green (kinda looks like tie-dye). I've tried adjusting things, but it doesn't do anything to it. I am assuming there is an issue with the signal board from having the coolant on it. There was also a metallic looking substance I am assuming that had leaked from the capacitor? (small black cylindrical object-sorry it's been a while for me) in that area as well. I'm getting power to the speakers, but no sound, as it pops when I power off. Any suggestions would be very helpful.

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It sounds like you may have a faulty frame chip. but could be capacitor. who knows for shure, exept an engineer?!?!?

Posted on Jul 19, 2009

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1 Answer

It shuts off within 2 seconds of being turned on with the remote and will not turn on by pressing the power button on the TV


hello sir, hi your tv has power supply problem, need to check for the voltage regulator section. this is usually a transistor mounted on a heat sink. When this is bad no power will ever come on. checl also for the high voltage output section, a bad horizontal out produces the same symptom.

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Sep 20, 2007 | Mitsubishi WS-55807 TV

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Mar 11, 2009 | Mitsubishi WS-55807 TV

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Good Day; This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 2. SELF DIAGNOSIS ERROR INDICATES SHORT PROTECT. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB. Good Luck, big IRISH.

Sep 19, 2008 | Mitsubishi WS-55807 TV

1 Answer

Mitsubishi WS-55807 turns on but then powers back down after a few seconds


Good Day;

The fuses tell you that circuit has failed and was drawing too much current. No other test is needed.

Good Luck, big Irish.

Sep 04, 2008 | Mitsubishi WS-55807 TV

1 Answer

Mits WS-55807 blue screen, steady green light no video


Good Day, luap356;

Look for fluid on the PCB's, if don't see any try this:

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 2. SELF DIAGNOSIS ERROR INDICATES SHORT PROTECT. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB. Good Luck, big IRISH.

Jul 17, 2008 | Mitsubishi WS-55807 TV

1 Answer

How did you resolve the power supply problem on the Mitsubishi TV model WS 55807? I just obtained one and my guess was a power supply. Where can I obtain one, would you know? I much would appreceiate any...


Good Day, ana4;

Look for fluid on the PCB's, if can't find any, try this:

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 2. SELF DIAGNOSIS ERROR INDICATES SHORT PROTECT. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB. Good Luck, big IRISH. back.gif

Apr 07, 2008 | Mitsubishi WS-55807 TV

3 Answers

Mitsubishi WS-55807 TV won't turn on


It s a Power supply problem.If you are not familiar with electronic repairs take it to an authorized repair shop.
To get a service manual see link
Download Mitsubishi WS-55807, WS-65807, WT-46807, WS-55857, WS-65857, WS-55907, WS-65907, WS-73907 Service Manuallockmanualsdnw_en.gif
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Feb 21, 2008 | Mitsubishi WS-55807 TV

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